Terminal Device, Base Station Apparatus, Integrated Circuit, and Communication Method

1. A terminal apparatus that communicates with a base station apparatus, the terminal apparatus comprising: reception circuitry configured to receive: first information indicating a first uplink-downlink configuration, second information indicating a second uplink-downlink configuration, third information indicating a third uplink-downlink configuration, and fourth information indicating a special subframe configuration; and transmission circuitry configured to: perform, based on the first uplink-downlink configuration indicated by the first information, a transmission on a physical uplink shared channel, the transmission on the physical uplink shared channel being based on a detection of a transmission on a physical downlink control channel, perform, based on the second uplink-downlink configuration indicated by the second information, a transmission of hybrid automatic repeat request (HARQ) information on a physical uplink control channel, the transmission of the HARQ information on the physical uplink control channel being based on a detection of a transmission on a physical downlink shared channel, wherein in a case that the second information indicating the second uplink-downlink configuration is not received, a downlink pilot time slot (DwPTS) of a special subframe is given based on the first uplink-downlink configuration indicated by the first information, and whether the transmission on the physical downlink shared channel in the DwPTS of the special subframe is performed or not is defined based on the special subframe configuration indicated by the fourth information and a cyclic prefix in a downlink, and in a case that the second information indicating the second uplink-downlink configuration is received, the DwPTS of the special subframe is given based on the third uplink-downlink configuration indicated by the third information, and whether the transmission on the physical downlink shared channel in the DwPTS of the special subframe is performed or not is defined based on the special subframe configuration indicated by the fourth information and the cyclic prefix in the downlink.

2. The terminal apparatus according to claim 1 , wherein the HARQ information indicates a positive acknowledgment (ACK) or a negative acknowledgment (NACK).

3. A base station apparatus that communicates with a terminal apparatus, the base station apparatus comprising: transmission circuitry configured to transmit: first information indicating a first uplink-downlink configuration, second information indicating a second uplink-downlink configuration, third information indicating a third uplink-downlink configuration, and fourth information indicating a special subframe configuration; and reception circuitry configured to: perform, based on the first uplink-downlink configuration indicated by the first information, a reception on a physical uplink shared channel, the reception on the physical uplink shared channel being based on a transmission on a physical downlink control channel, perform, based on the second uplink-downlink configuration indicated by the second information, a reception of hybrid automatic repeat request (HARQ) information on a physical uplink control channel, the reception of the HARQ information on the physical uplink control channel being based on a transmission on a physical downlink shared channel, wherein in a case that the second information indicating the second uplink-downlink configuration is not transmitted, a downlink pilot time slot (DwPTS) of a special subframe is given based on the first uplink-downlink configuration indicated by the first information, and whether the transmission on the physical downlink shared channel in the DwPTS of the special subframe is performed or not is defined based on the special subframe configuration indicated by the fourth information and a cyclic prefix in a downlink, and in a case that the second information indicating the second uplink-downlink configuration is transmitted, the DwPTS of the special subframe is given based on the third uplink-downlink configuration indicated by the third information, and whether the transmission on the physical downlink shared channel in the DwPTS of the special subframe is performed or not is defined based on the special subframe configuration indicated by the fourth information and the cyclic prefix in the downlink.

4. The base station apparatus according to claim 3 , wherein the HARQ information indicates a positive acknowledgment (ACK) or a negative acknowledgment (NACK).

5. A communication method of a terminal apparatus that communicates with a base station apparatus, the communication method comprising: receiving first information indicating a first uplink-downlink configuration, receiving second information indicating a second uplink-downlink configuration, receiving third information indicating a third uplink-downlink configuration, receiving fourth information indicating a special subframe configuration, performing, based on the first uplink-downlink configuration indicated by the first information, a transmission on a physical uplink shared channel, the transmission on the physical uplink shared channel being based on a detection of a transmission on a physical downlink control channel, and performing, based on the second uplink-downlink configuration indicated by the second information, a transmission of hybrid automatic repeat request (HARQ) information on a physical uplink control channel, the transmission of the HARQ information on the physical uplink control channel being based on a detection of a transmission on a physical downlink shared channel, wherein in a case that the second information indicating the second uplink-downlink configuration is not received, a downlink pilot time slot (DwPTS) of a special subframe is given based on the first uplink-downlink configuration indicated by the first information, and whether the transmission on the physical downlink shared channel in the DwPTS of the special subframe is performed or not is defined based on the special subframe configuration indicated by the fourth information and a cyclic prefix in a downlink, and in a case that the second information indicating the second uplink-downlink configuration is received, the DwPTS of the special subframe is given based on the third uplink-downlink configuration indicated by the third information, and whether the transmission on the physical downlink shared channel in the DwPTS of the special subframe is performed or not is defined based on the special subframe configuration indicated by the fourth information and the cyclic prefix in the downlink.

6. The communication method according to claim 5 , wherein the HARQ information indicates a positive acknowledgment (ACK) or a negative acknowledgment (NACK).

7. A communication method of a base station apparatus that communicates with a terminal apparatus, the communication method comprising: transmitting first information indicating a first uplink-downlink configuration, transmitting second information indicating a second uplink-downlink configuration, transmitting third information indicating a third uplink-downlink configuration, transmitting fourth information indicating a special subframe configuration, performing, based on the first uplink-downlink configuration indicated by the first information, a reception on a physical uplink shared channel, the reception on the physical uplink shared channel being based on a transmission on a physical downlink control channel, and performing, based on the second uplink-downlink configuration indicated by the second information, a reception of hybrid automatic repeat request (HARQ) information on a physical uplink control channel, the reception of the HARQ information on the physical uplink control channel being based on a transmission on a physical downlink shared channel, wherein in a case that the second information indicating the second uplink-downlink configuration is not transmitted, a downlink pilot time slot (DwPTS) of a special subframe is given based on the first uplink-downlink configuration indicated by the first information, and whether the transmission on the physical downlink shared channel in the DwPTS of the special subframe is performed or not is defined based on the special subframe configuration indicated by the fourth information and a cyclic prefix in a downlink, and in a case that the second information indicating the second uplink-downlink configuration is transmitted, the DwPTS of the special subframe is given based on the third uplink-downlink configuration indicated by the third information, and whether the transmission on the physical downlink shared channel in the DwPTS of the special subframe is performed or not is defined based on the special subframe configuration indicated by the fourth information and the cyclic prefix in the downlink.

8. The communication method according to claim 7 , wherein the HARQ information indicates a positive acknowledgment (ACK) or a negative acknowledgment (NACK).